youtube-video-info-old

	// ############ youtube funcs ###########
	// 'flags' contains many-info about video
	public function youtube_data($ytVideoId, $api_redirect_url=null)	{
		$targetUrl = 'https://youtube.com/get_video_info?video_id='.$ytVideoId;
		// when Youtube Blocks this Server's IP, use 3rd party:
		// $ResponserUrl = 'http://my_another_clean_host_site.com/youtube_info.php?yt_id=';   and this code: pastebin_com/dxigxnNH
		// if external server is used
		if (!empty($api_redirect_url))
			$targetUrl = $api_redirect_url . urlencode($targetUrl);
		$data = $this->file_get_contents($targetUrl);
		parse_str($data , $full_info);
		return $full_info;
	}

	public function youtube_mediafiles($data)	{
		$n1 = json_decode( $data['player_response'], true);
		$streamingData	 = $n1['streamingData'];
		$formats 		 = $streamingData['formats']; 			// contains Video with audio, i.e. example :  pastebin_com/R0n1jC9W
		$adaptiveFormats = $streamingData['adaptiveFormats'];	// contains separated streams (videos / audios):   pastebin_com/qui0w8BB
		$audiosArray = [];
		// we need only audios (as videos dont have an audio)
		foreach ($adaptiveFormats as $each) {
			if ( stripos($each['mimeType'], 'audio/') !== false ) {
				$audiosArray[] = $each;
			}
		}
		$res = ['status'=>'success', 'data'=>['videos'=> $formats, 'audios'=>$audiosArray] ];
		return $res;
	}
	public function youtube_video_details($data)	{
		$arr = json_decode( $data['player_response'], true);
		return $arr['videoDetails'];
	}
	public function youtube_best_audio($audios_or_videos)	{
		$max_array = [];
		foreach($audios_or_videos as $each_A_V){
			if (empty($max_array) || $each_A_V['contentLength'] > $max_array['contentLength'] )
				$max_array = $each_A_V;
		}
		return $max_array;
	}
	public function youtube_low_video($mediaFiles)	{
		$fileUrl ='';
		foreach($mediaFiles['data']['videos'] as $each)
		{
			if ($each['audioQuality']=='AUDIO_QUALITY_LOW')
			{
				$fileUrl = $each['url'];
			}
		}
		return $fileUrl;
	}
	public function youtube_file_url($array){
		if (array_key_exists('url', $array) ){
			return $array['url'];
		}
		elseif (array_key_exists('signatureCipher', $array) ){
			$sig = $array['signatureCipher'];
			parse_str(  str_replace('\\u0026','&', $sig), $array);
			return $array['url'];
		}
		else{
			return "INVALID_DATA. CANT GET URL from: ". print_r($array,true);
		}
	}
	public function youtube_curl($url)
	{
		$ch=curl_init();
		curl_setopt($ch,CURLOPT_USERAGENT, "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.35 (KHTML, like Gecko) Chrome/84.0.4147.00 Safari/537.35");
		curl_setopt($ch,CURLOPT_URL,$url);
		curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
		curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0);
		curl_setopt($ch,CURLOPT_HEADER,0);
		curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
		curl_setopt($ch,CURLOPT_TIMEOUT,100000);

		$curl_output=curl_exec($ch);
		$curlstatus=curl_getinfo($ch);
		curl_close($ch);

		return $curl_output;
	}
	//